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/*
* KON2 - Kanji ON Console -
* Copyright (C) 1992-1996 Takashi MANABE (manabe@papilio.tutics.tut.ac.jp)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY TAKASHI MANABE ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE TERRENCE R. LAMBERT BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
This code is based on vgalib.
Thanks to frandsen@diku.dk (Tommy Frandsen).
*/
#include <config.h>
#include <types.h>
#ifdef HAS_VGA
#include <stdio.h>
#include <fcntl.h>
#include <termios.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#if defined(linux)
/* #include <linux/mm.h> */
#include <sys/kd.h>
#endif
#undef free
#include <stdlib.h>
#include <mem.h>
#include <getcap.h>
#include <defs.h>
#include <errors.h>
#include <vc.h>
#include <vt.h>
#include <vga.h>
#include <fnld.h>
#ifdef MINI_KON
#define vgaCrtAddr 0x3D4
#define vgaCrtData 0x3D5
#define vgaSt1Addr 0x3DA
#endif
static
void SvgaSetStartAddress(void)
{
int til;
til = (dInfo.gydim - 1 - (gramHead / dInfo.glineByte)) << 4;
PortOutw((gramHead & 0xff00) | 0x0c, vgaCrtAddr);
PortOutw((gramHead << 8) | 0x0d, vgaCrtAddr);
PortOutw((til << 4) | 0x18, vgaCrtAddr);
PortOutw((til & 0x1000) | LineComp8, vgaCrtAddr);
PortOutw(((til & 0x2000) << 1) | LineComp9, vgaCrtAddr);
}
struct videoInfo SvgaInfo =
{
TRUE,
VgaInit,
VgaTextMode,
VgaGraphMode,
VgaWput,
VgaSput,
VgaSetCursorAddress,
VgaSetAddress,
VgaCursor,
VgaClearAll,
VgaScreenSaver,
VgaDetach,
SvgaSetStartAddress,
VgaHardScrollUp,
VgaHardScrollDown
};
int SvgaSetVideoType(struct videoInfo *info, const char *regs)
{
union videoTimings video;
*info = SvgaInfo;
VgaReadNewRegs(regs, &video);
if (VgaAttach() < 0) return FAILURE;
VgaDefaultCaps();
return SUCCESS;
}
#endif
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